Summary

Inclusion in the Spamhaus-ZEN Blacklist results from sub-listings in one more the following Blacklists: CBL - You have contracted a Virus or Malware that is operating a Botnet, either on your email server on a workstation behind the NAT - Continual delisting requests without eliminating the virus will result in permanent blacklisting; XBL (Spamhaus Exploits Block List) is a realtime database of IP addresses of hijacked PCs infected by illegal 3rd party exploits, including open proxies; PBL - Spamhaus PBL is a DNSBL database of end-user IP address ranges which should not be delivering unauthenticated SMTP email to any Internet mail server except those provided for specifically by an ISP for that customer's use.